Analysis
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max time kernel
164s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2022 03:55
Behavioral task
behavioral1
Sample
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe
Resource
win7-20220901-en
General
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Target
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe
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Size
350KB
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MD5
42fbc3d0fed1fc8bf0b89a0d226307f0
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SHA1
d5bca149f9c7d3988d2937781ba6eb94094fb2b6
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SHA256
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84
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SHA512
371b4959d07b13a955dc34aa1050bf840a58a125a36fe256179ae2a4797537c6c312cce7cf0a5d795c80b779b3ebcc96d46941784a4a523aca25586c58a6af9c
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SSDEEP
6144:EvyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:Ev3BdQLL4BE93NGVYZX9BukJlwxSJdEm
Malware Config
Signatures
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Drops file in Drivers directory 2 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exedescription ioc process File created C:\Windows\SysWOW64\drivers\66e6be09.sys 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe File created C:\Windows\SysWOW64\drivers\1a4d8b8f.sys 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
icacls.exetakeown.exepid process 1468 icacls.exe 4136 takeown.exe -
Sets service image path in registry 2 TTPs 2 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\66e6be09\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\66e6be09.sys" 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\1a4d8b8f\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\1a4d8b8f.sys" 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Processes:
resource yara_rule behavioral2/memory/4132-132-0x0000000001000000-0x000000000112D000-memory.dmp upx behavioral2/memory/4132-133-0x0000000001000000-0x000000000112D000-memory.dmp upx behavioral2/memory/4132-138-0x0000000001000000-0x000000000112D000-memory.dmp upx -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 4136 takeown.exe 1468 icacls.exe -
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Drops file in System32 directory 5 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exedescription ioc process File opened for modification C:\Windows\SysWOW64\goodsb.dll 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe File created C:\Windows\SysWOW64\goodsb.dll 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe File created C:\Windows\SysWOW64\ws2tcpip.dll 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe File opened for modification C:\Windows\SysWOW64\ws2tcpip.dll 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe File created C:\Windows\SysWOW64\wshtcpip.dll 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Modifies registry class 4 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID\name = "29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe" 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL\name = "wuhUeUf.dll" 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exepid process 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Suspicious behavior: LoadsDriver 5 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exepid process 668 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 668 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exetakeown.exedescription pid process Token: SeDebugPrivilege 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe Token: SeTakeOwnershipPrivilege 4136 takeown.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.execmd.exedescription pid process target process PID 4132 wrote to memory of 3124 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe cmd.exe PID 4132 wrote to memory of 3124 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe cmd.exe PID 4132 wrote to memory of 3124 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe cmd.exe PID 3124 wrote to memory of 4136 3124 cmd.exe takeown.exe PID 3124 wrote to memory of 4136 3124 cmd.exe takeown.exe PID 3124 wrote to memory of 4136 3124 cmd.exe takeown.exe PID 3124 wrote to memory of 1468 3124 cmd.exe icacls.exe PID 3124 wrote to memory of 1468 3124 cmd.exe icacls.exe PID 3124 wrote to memory of 1468 3124 cmd.exe icacls.exe PID 4132 wrote to memory of 3664 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe cmd.exe PID 4132 wrote to memory of 3664 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe cmd.exe PID 4132 wrote to memory of 3664 4132 29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe"C:\Users\Admin\AppData\Local\Temp\29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\SysWOW64\wshtcpip.dll3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F3⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\ahnmove.batFilesize
181B
MD5b859f5b8408d609e77cb7557fb5e33dd
SHA1885ba5abf7f67b9a60031177b0c5b75a66116414
SHA256c2611d2ca5b5176117571ccd2ed6e25bb8897301cdf24079bdeec2b1b79824ed
SHA51231632dab5ca0e56a6cc1719702fb96d85f2569d2fb7da98153f35462381d81f220ef9b7d062290d281692e078677e4df2f01edb376181768950ae0599f3a7456
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memory/1468-136-0x0000000000000000-mapping.dmp
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memory/3124-134-0x0000000000000000-mapping.dmp
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memory/3664-137-0x0000000000000000-mapping.dmp
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memory/4132-132-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/4132-133-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/4132-138-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/4136-135-0x0000000000000000-mapping.dmp